1122975 has 72 divisors (see below), whose sum is σ = 2476032. Its totient is φ = 475200.

The previous prime is 1122941. The next prime is 1122983. The reversal of 1122975 is 5792211.

It is not a de Polignac number, because 1122975 - 2¹⁹ = 598687 is a prime.

It is a super-2 number, since 2×1122975² = 2522145701250, which contains 22 as substring.

1122975 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36210 + ... + 36240.

2^1122975 is an apocalyptic number.

1122975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122975 is an abundant number, since it is smaller than the sum of its proper divisors (1353057).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122975 is a wasteful number, since it uses less digits than its factorization.

1122975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 69 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1122975 is about 1059.7051476708. The cubic root of 1122975 is about 103.9417511589.

The spelling of 1122975 in words is "one million, one hundred twenty-two thousand, nine hundred seventy-five".